Astronomy
Constellations - Pegasus - 44eta Peg (Matar)

 
Identification Data
Common NameMatar
ConstellationPegasus
Star Name44eta Peg
Skymap Number22430001
Henry Draper (HD) Number215182
Harvard Revised (HR) Number8650
SAO Number90734
Durchmusterung (DM) NumberBD+29 4741
Washington Double Stars (WDS) Number
22430+3013
Positional Data
Position and Proper Motion (PPM) Number88121
Right Ascension (RA) J200022h 43m 0.137s
Declination (Dec) J2000+30° 13' 16.483"
Position Uncertainty0.0072s
Proper Motion in RA (J2000)/cos(Dec)+0.00101
Proper Motion in Dec (J2000)-0.026166
Radial Velocity+004.3km s-1
Trigonometric Parallax+0.01518s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)0.815779
GCI Unit Vector in Y (J2000)-0.284874
GCI Unit Vector in Z (J2000)0.503340
Galactic Longitude92.50°
Galactic Latitude
-24.95°
Observational Data
Observed Visual Magnitude (V)2.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.79
Observed B-V Colour+0.851
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG2II-III
One-Dimensional Spectral ClassG0
Position Angle
Year of Observation1980. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:47 GMT+01:00 2001